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Softeria

Microsoft 365 MCP Server

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Hybrid

get-mailbox-settings

get-mailbox-settings
Read-only

Retrieve current user's mailbox settings, including out-of-office, time zone, language, and date/time formats. Select specific settings or all at once.

Instructions

Get the user's mailboxSettings. You can view all mailbox settings, or get specific settings. Users can set the following settings for their mailboxes through an Outlook client: Users can set their preferred date and time formats using Outlook on the web. Users can choose one of the supported short date or short time formats. This GET operation returns the format the user has chosen. Users can set the time zone they prefer on any Outlook client, by choosing from the supported time zones that their administrator has set up for their mailbox server. The administrator can set up time zones in the Windows time zone format or Internet Assigned Numbers Authority (IANA) time zone (also known as Olson time zone) format. The Windows format is the default. This GET operation returns the user's preferred time zone in the format that the administrator has set up. If you want that time zone to be in a specific format (Windows or IANA), you can first update the preferred time zone in that format as a mailbox setting. Subsequently you will be able to get the time zone in that format. Alternatively, you can manage the format conversion separately in your app.

đź’ˇ TIP: Gets the current user's mailbox settings including automaticRepliesSetting (out-of-office status, message, scheduledStartDateTime/EndDateTime, externalAudience), language, timeZone, dateFormat, timeFormat, delegateMeetingMessageDeliveryOptions, and userPurpose.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
expandNoNavigation properties to inline, e.g. attachments on a message or event. Only navigation properties can be expanded: expanding a non-navigation property such as a message body fails with "Parsing OData Select and Expand failed", and an unsupported value may be ignored rather than reported. Request ordinary fields with $select instead.
selectNoComma-separated fields to return, e.g. id,subject,from,receivedDateTime
fetchAllPagesNoFollow @odata.nextLink and merge up to 100 pages into one response. Can return enormous payloads—only when the user explicitly needs a full export. Prefer a small $top first, then paginate or narrow with $filter/$search.
includeHeadersNoInclude response headers (including ETag) in the response metadata
excludeResponseNoExclude the full response body and only return success or failure indication

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed5 schema fields changedv0.154.2
    • addedInput schema / properties / expand / anyOf
      Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  }
+]
    • removedInput schema / properties / expand / items
      Removed value: -{
-  "type": "string"
-}
    • removedInput schema / properties / expand / type
      Removed value: -"array"
    • addedInput schema / properties / select / anyOf
      Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  }
+]
    • removedInput schema / properties / select / type
      Removed value: -"string"
  2. Addedv0.134.4
  3. Removedv0.131.2
  4. Addedv0.114.0
  5. Removedv0.112.2
  6. Addedv0.110.0
  7. Removedv0.108.0
  8. Addedv0.96.0

TDQS

A3.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, and the description adds meaningful behavioral detail: the operation returns the user's chosen date/time formats and the time zone in the administrator's configured format, with a sequencing caveat for requesting Windows vs IANA format. This goes beyond the annotation-only safety profile.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is accurate and the TIP provides a useful compact summary, but the body is wordy and partly repetitive, especially the time-zone explanation. It earns a pass for structure but is not a model of concise front-loaded writing.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description compensates by listing the returned settings categories and explaining the time-zone behavior. Combined with full parameter schema coverage and read-only annotations, the agent has enough context to select and invoke the tool correctly, though explicit permission or error expectations are not covered.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the parameters are already well documented. The description does not add parameter-level semantics beyond 'get specific settings,' but with full schema coverage that is acceptable.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the operation ('Get the user's mailboxSettings') and notes that it can return all or specific settings. It is unambiguous about the resource, though it does not explicitly differentiate itself from the sibling update-mailbox-settings or related time-zone listers, so it stops short of a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is useful contextual guidance, such as 'you can view all mailbox settings, or get specific settings' and a time-zone formatting caveat about updating first. However, it never explicitly says when to use this tool instead of alternatives or when not to use it, leaving sibling routing largely implicit.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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